RayMic Wireless Handset – Only. Optional wireless handset. Add up to 2 or 3 wireless handsets to the VHF system. Wireless hub carries both data and audio to and from your wireless handset stations. Waterproof construction. Oversized LCD and rubberized keypads. Built-in lithium ion rechargeable battery for long life with the latest inductive charging technology – no charging port or cable to plug in!. Wireless base station pairs to active speaker. Handset features smart locator alarm – activate alarm from hub. Wireless hub (A80540) required – sold separately .